S-triazine UV absorbers

Details S-triazine UV absorbers S-triazine UV absorbers

1994-01-21

1995-04-25

Ford, John M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D25124

Patent

active

054100488

ABSTRACT:
A UV absorber of formula (1a) ##STR1## in which E.sub.1, E.sub.2 and E.sub.3 are independently substituted alkyl or substituted silyl or siloxyl moieties, are useful in protecting photographic materials from the deleterious effects of actinic light.

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